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PIBIO_ENGINE_PIPELINE_CLEANUP_FN callback function (winbio_adapter.h)

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Called by the Windows Biometric Framework to give the Engine Adapter the chance to perform any cleanup that requires help from the Storage Adapter.

Syntax

PIBIO_ENGINE_PIPELINE_CLEANUP_FN PibioEnginePipelineCleanupFn;

HRESULT PibioEnginePipelineCleanupFn(
  [in, out] PWINBIO_PIPELINE Pipeline
)
{...}

Parameters

[in, out] Pipeline

Pointer to the WINBIO_PIPELINE structure associated with the biometric unit performing the operation.

Return value

If the function succeeds, it returns S_OK. If the function fails, it must return one of the following HRESULT values to indicate the error.

Return code Description
E_POINTER
 The Pipeline parameter cannot be NULL.

Remarks

This method is called once, when a biometric unit is being torn down.

The Engine Adapter should return S_OK if it doesn’t need to perform any cleanup at this point.

This method executes in the context of an arbitrary RPC server thread.

Requirements

Requirement Value
Minimum supported client Windows 10 [desktop apps only]
Minimum supported server Windows Server 2016 [desktop apps only]
Target Platform Windows
Header winbio_adapter.h (include Winbio_adapter.h)